394907342 has 16 divisors (see below), whose sum is σ = 595475712. Its totient is φ = 196419000.

The previous prime is 394907311. The next prime is 394907353. The reversal of 394907342 is 243709493.

It is a self number, because there is not a number n which added to its sum of digits gives 394907342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525467 + ... + 526217.

It is an arithmetic number, because the mean of its divisors is an integer number (37217232).

Almost surely, 2^394907342 is an apocalyptic number.

394907342 is a deficient number, since it is larger than the sum of its proper divisors (200568370).

394907342 is a wasteful number, since it uses less digits than its factorization.

394907342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 394907342 is about 19872.2757126606. The cubic root of 394907342 is about 733.6660160410. Note that the first 3 decimals are identical.

The spelling of 394907342 in words is "three hundred ninety-four million, nine hundred seven thousand, three hundred forty-two".